Veeprho Pharmaceuticals s.r.o also manufacture and supply Cetirizine USP, EP, BP pharmacopoeia impurities, any unknown impurity and intermediates with structure elucidation with the help of H NMR, CHN, C NMR, MASS and HPLC data. We also provide all impurity of Atrovastatin as per to pharmacopoeia RRT if requested by the customers.